[Call-For-Review]Form controls cannot be saved into .ppt file in AOO3.4

[Jianyuan Li]

Hi, all

I had a fix for bug
119467<https://issues.apache.org/ooo/show_bug.cgi?id=119467>
 ( https://issues.apache.org/ooo/show_bug.cgi?id=119467 )
Could anyone help me to review the fix?

Regards -- Jianyuan